Washing machine



FIG. 1 is a front right perspective view of an embodiment of a washing machine, showing our new design;

FIG. 2 is a front left perspective view.

FIG. 3 is a front elevation view;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a left elevation view thereof;

FIG. 6 is a right elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines form no part of the claimed design. 

CLAIM The ornamental design of a washing machine, as shown and described. 